Levulinic acid hydrogenation to γ-valerolactone over single Ru atoms on a TiO2@nitrogen doped carbon support

Kaili Zhang; Qinglei Meng; Haihong Wu; Tongying Yuan; Shitao Han; Jianxin Zhai; Bingxiao Zheng; Caiyun Xu; Wei Wu; Mingyuan He; Buxing Han

doi:10.1039/D0GC04108D

Levulinic acid hydrogenation to γ-valerolactone over single Ru atoms on a TiO₂@nitrogen doped carbon support†

Kaili Zhang,^a Qinglei Meng,

^b Haihong Wu,

*^a Tongying Yuan,^a Shitao Han,^a Jianxin Zhai,^a Bingxiao Zheng,^a Caiyun Xu,^a Wei Wu,^a Mingyuan He^a and Buxing Han

*^ab

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* Corresponding authors

^a Shanghai Key Laboratory of Green Chemistry and Chemical Processes, School of Chemistry and Molecular Engineering, East China Normal University, Shanghai 200062, China
E-mail: hhwu@chem.ecnu.educn, hanbx@iccas.ac.cn

^b Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Colloid, Interface and Chemical Thermodynamics, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China

Abstract

The transformation of levulinic acid (LA) into γ-valerolactone (GVL) in water at room temperature is very interesting. In this work, we designed and prepared single Ru atoms on a TiO₂@nitrogen doped porous carbon support catalyst (Ru/TiO₂@CN). It was demonstrated that the catalyst had very high activity, selectivity and stability for the conversion of LA into GVL at room temperature in water. The turnover frequency (TOF) could reach 278 mol_GVL mol_Ru⁻¹ h⁻¹ at complete conversion, which was about 35 times higher than that of commercial Ru/C. In addition, only GVL was generated in the reaction over the catalyst of this work.

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Levulinic acid hydrogenation to γ-valerolactone over single Ru atoms on a TiO₂@nitrogen doped carbon support†

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Levulinic acid hydrogenation to γ-valerolactone over single Ru atoms on a TiO₂@nitrogen doped carbon support

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